Crystal structure of new hexahydrate dicobalt pyrophosphate Co2P2O7·6H2O: comparison with Co2P2O72H2O, α-, β- and γ-Co2P2O7

Verfasser / Beitragende:
[F. Capitelli, M. Harcharras, H. Assaaoudi, A. Ennaciri, A. G. G. Moliterni, V. Bertolasi]
Ort, Verlag, Jahr:
2003
Enthalten in:
Zeitschrift für Kristallographie - Crystalline Materials, 218/5(2003-05-01), 345-350
Format:
Artikel (online)
ID: 378854763
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024 7 0 |a 10.1524/zkri.218.5.345.20738  |2 doi 
035 |a (NATIONALLICENCE)gruyter-10.1524/zkri.218.5.345.20738 
245 0 0 |a Crystal structure of new hexahydrate dicobalt pyrophosphate Co2P2O7·6H2O: comparison with Co2P2O72H2O, α-, β- and γ-Co2P2O7  |h [Elektronische Daten]  |c [F. Capitelli, M. Harcharras, H. Assaaoudi, A. Ennaciri, A. G. G. Moliterni, V. Bertolasi] 
520 3 |a A new dicobalt pyrophosphate, Co2P2O7·6H2O, has been synthesized and characterized by single crystal X-ray diffraction. The compound belongs to the mono clinic space group P21/n, and its unit cell dimensions are: a = 7.2077(2), b = 18.3373(5), c = 7.6762(2) Å, β = 92.4356(15)°, V = 1013.64(5) Å3, Z = 4. The structural parameters were refined to an R index of 0.0570 for 1937 reflections with I>2σ(Io). The framework of this pyro phosphate is made by the packing of layers of discrete CoO6 octahedra connected by double tetrahedra P2O7 groups. The (P2O7)4- anion group shows bent eclipsed conformation. A comparative study among anhydrous (α-, β- and γ-Co2P2O7) and hydrated forms (Co2P2O7·2H2O) of dicobalt pyrophosphates known in literature is presented. 
540 |a © 2003 Oldenbourg Wissenschaftsverlag GmbH 
690 7 |a Crystallography  |2 nationallicence 
690 7 |a Inorganic chemistry  |2 nationallicence 
690 7 |a Organic chemistry  |2 nationallicence 
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700 1 |a Harcharras  |D M.  |4 aut 
700 1 |a Assaaoudi  |D H.  |4 aut 
700 1 |a Ennaciri  |D A.  |4 aut 
700 1 |a Moliterni  |D A. G. G.  |4 aut 
700 1 |a Bertolasi  |D V.  |4 aut 
773 0 |t Zeitschrift für Kristallographie - Crystalline Materials  |d De Gruyter Oldenbourg  |g 218/5(2003-05-01), 345-350  |x 2194-4946  |q 218:5<345  |1 2003  |2 218  |o zkri 
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950 |B NATIONALLICENCE  |P 700  |E 1-  |a Bertolasi  |D V.  |4 aut 
950 |B NATIONALLICENCE  |P 773  |E 0-  |t Zeitschrift für Kristallographie - Crystalline Materials  |d De Gruyter Oldenbourg  |g 218/5(2003-05-01), 345-350  |x 2194-4946  |q 218:5<345  |1 2003  |2 218  |o zkri 
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